./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e66d74cf738883d82d8ab680e594f84e8947532df35a185c16ed9746f38b197c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:31:24,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:31:24,615 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:31:24,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:31:24,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:31:24,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:31:24,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:31:24,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:31:24,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:31:24,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:31:24,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:31:24,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:31:24,644 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:31:24,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:31:24,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:31:24,644 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:31:24,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:31:24,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:31:24,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:31:24,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:31:24,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:31:24,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:31:24,645 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:31:24,645 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:31:24,645 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:31:24,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:31:24,645 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:31:24,645 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:31:24,645 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:31:24,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:31:24,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:31:24,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:31:24,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:31:24,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:31:24,646 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:31:24,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:31:24,646 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:31:24,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:31:24,646 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:31:24,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:31:24,646 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:31:24,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:31:24,646 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e66d74cf738883d82d8ab680e594f84e8947532df35a185c16ed9746f38b197c [2025-02-06 09:31:24,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:31:24,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:31:24,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:31:24,891 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:31:24,891 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:31:24,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2025-02-06 09:31:26,045 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4f5490f17/cc9077a53df848ad9bacb8d2479579ff/FLAG85ff7e70d [2025-02-06 09:31:26,266 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:31:26,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2025-02-06 09:31:26,274 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4f5490f17/cc9077a53df848ad9bacb8d2479579ff/FLAG85ff7e70d [2025-02-06 09:31:26,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4f5490f17/cc9077a53df848ad9bacb8d2479579ff [2025-02-06 09:31:26,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:31:26,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:31:26,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:31:26,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:31:26,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:31:26,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a92815f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26, skipping insertion in model container [2025-02-06 09:31:26,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:31:26,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:31:26,766 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:31:26,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:31:26,793 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:31:26,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26 WrapperNode [2025-02-06 09:31:26,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:31:26,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:31:26,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:31:26,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:31:26,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,818 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 89 [2025-02-06 09:31:26,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:31:26,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:31:26,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:31:26,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:31:26,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,833 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:31:26,837 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:31:26,837 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:31:26,837 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:31:26,838 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (1/1) ... [2025-02-06 09:31:26,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:31:26,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:31:26,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:31:26,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:31:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:31:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:31:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:31:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:31:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:31:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:31:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:31:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:31:26,892 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:31:26,968 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:31:26,970 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:31:27,108 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:31:27,108 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:31:27,121 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:31:27,121 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:31:27,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:27 BoogieIcfgContainer [2025-02-06 09:31:27,121 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:31:27,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:31:27,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:31:27,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:31:27,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:31:26" (1/3) ... [2025-02-06 09:31:27,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f69c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:31:27, skipping insertion in model container [2025-02-06 09:31:27,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:31:26" (2/3) ... [2025-02-06 09:31:27,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f69c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:31:27, skipping insertion in model container [2025-02-06 09:31:27,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:27" (3/3) ... [2025-02-06 09:31:27,128 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2025-02-06 09:31:27,137 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:31:27,138 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-figure1-alt.wvr.c that has 3 procedures, 121 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2025-02-06 09:31:27,138 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:31:27,184 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:31:27,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 128 transitions, 270 flow [2025-02-06 09:31:27,261 INFO L124 PetriNetUnfolderBase]: 8/126 cut-off events. [2025-02-06 09:31:27,264 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:31:27,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 126 events. 8/126 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 118 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2025-02-06 09:31:27,271 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 128 transitions, 270 flow [2025-02-06 09:31:27,275 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 109 transitions, 230 flow [2025-02-06 09:31:27,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:31:27,297 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d91eee0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:31:27,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-02-06 09:31:27,307 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:31:27,307 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2025-02-06 09:31:27,307 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:31:27,307 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:27,309 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:31:27,309 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-02-06 09:31:27,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:27,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1601914513, now seen corresponding path program 1 times [2025-02-06 09:31:27,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:27,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332413128] [2025-02-06 09:31:27,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:27,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:27,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 09:31:27,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 09:31:27,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:27,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:27,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:31:27,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:27,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332413128] [2025-02-06 09:31:27,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332413128] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:27,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:27,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:27,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843975955] [2025-02-06 09:31:27,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:27,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:27,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:27,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:27,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:27,525 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2025-02-06 09:31:27,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 109 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:31:27,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:27,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2025-02-06 09:31:27,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:27,591 INFO L124 PetriNetUnfolderBase]: 10/138 cut-off events. [2025-02-06 09:31:27,591 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-02-06 09:31:27,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 138 events. 10/138 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 275 event pairs, 5 based on Foata normal form. 7/126 useless extension candidates. Maximal degree in co-relation 97. Up to 25 conditions per place. [2025-02-06 09:31:27,593 INFO L140 encePairwiseOnDemand]: 121/128 looper letters, 12 selfloop transitions, 2 changer transitions 1/104 dead transitions. [2025-02-06 09:31:27,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 104 transitions, 248 flow [2025-02-06 09:31:27,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 337 transitions. [2025-02-06 09:31:27,609 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8776041666666666 [2025-02-06 09:31:27,610 INFO L175 Difference]: Start difference. First operand has 109 places, 109 transitions, 230 flow. Second operand 3 states and 337 transitions. [2025-02-06 09:31:27,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 104 transitions, 248 flow [2025-02-06 09:31:27,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 104 transitions, 240 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 09:31:27,619 INFO L231 Difference]: Finished difference. Result has 106 places, 103 transitions, 214 flow [2025-02-06 09:31:27,621 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=106, PETRI_TRANSITIONS=103} [2025-02-06 09:31:27,626 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -3 predicate places. [2025-02-06 09:31:27,627 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 103 transitions, 214 flow [2025-02-06 09:31:27,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:31:27,628 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:27,628 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:31:27,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:31:27,629 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-02-06 09:31:27,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:27,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1179823804, now seen corresponding path program 1 times [2025-02-06 09:31:27,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:27,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316942940] [2025-02-06 09:31:27,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:27,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:27,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 09:31:27,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 09:31:27,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:27,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:31:27,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:27,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316942940] [2025-02-06 09:31:27,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316942940] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:27,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:27,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:27,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376908391] [2025-02-06 09:31:27,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:27,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:27,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:27,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:27,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:27,720 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2025-02-06 09:31:27,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 103 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:31:27,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:27,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2025-02-06 09:31:27,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:27,782 INFO L124 PetriNetUnfolderBase]: 14/154 cut-off events. [2025-02-06 09:31:27,782 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2025-02-06 09:31:27,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 154 events. 14/154 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 307 event pairs, 5 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 165. Up to 29 conditions per place. [2025-02-06 09:31:27,785 INFO L140 encePairwiseOnDemand]: 125/128 looper letters, 12 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2025-02-06 09:31:27,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 102 transitions, 240 flow [2025-02-06 09:31:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:27,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 333 transitions. [2025-02-06 09:31:27,789 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8671875 [2025-02-06 09:31:27,789 INFO L175 Difference]: Start difference. First operand has 106 places, 103 transitions, 214 flow. Second operand 3 states and 333 transitions. [2025-02-06 09:31:27,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 102 transitions, 240 flow [2025-02-06 09:31:27,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 102 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:31:27,794 INFO L231 Difference]: Finished difference. Result has 104 places, 102 transitions, 212 flow [2025-02-06 09:31:27,795 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=104, PETRI_TRANSITIONS=102} [2025-02-06 09:31:27,796 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -5 predicate places. [2025-02-06 09:31:27,796 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 102 transitions, 212 flow [2025-02-06 09:31:27,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:31:27,796 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:27,797 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:31:27,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:31:27,797 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-02-06 09:31:27,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:27,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1809704090, now seen corresponding path program 1 times [2025-02-06 09:31:27,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:27,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258760815] [2025-02-06 09:31:27,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:27,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:27,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 09:31:27,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 09:31:27,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:27,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:27,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:31:27,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:27,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258760815] [2025-02-06 09:31:27,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258760815] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:27,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:27,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:27,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263320793] [2025-02-06 09:31:27,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:27,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:27,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:27,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:27,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:27,863 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2025-02-06 09:31:27,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:31:27,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:27,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2025-02-06 09:31:27,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:27,908 INFO L124 PetriNetUnfolderBase]: 12/133 cut-off events. [2025-02-06 09:31:27,908 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:31:27,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 133 events. 12/133 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 255 event pairs, 7 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 137. Up to 28 conditions per place. [2025-02-06 09:31:27,909 INFO L140 encePairwiseOnDemand]: 124/128 looper letters, 12 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2025-02-06 09:31:27,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 99 transitions, 232 flow [2025-02-06 09:31:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:27,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2025-02-06 09:31:27,913 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8697916666666666 [2025-02-06 09:31:27,913 INFO L175 Difference]: Start difference. First operand has 104 places, 102 transitions, 212 flow. Second operand 3 states and 334 transitions. [2025-02-06 09:31:27,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 99 transitions, 232 flow [2025-02-06 09:31:27,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 99 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:31:27,915 INFO L231 Difference]: Finished difference. Result has 101 places, 99 transitions, 204 flow [2025-02-06 09:31:27,915 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=101, PETRI_TRANSITIONS=99} [2025-02-06 09:31:27,918 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -8 predicate places. [2025-02-06 09:31:27,919 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 99 transitions, 204 flow [2025-02-06 09:31:27,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:31:27,919 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:31:27,919 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:31:27,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:31:27,919 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-02-06 09:31:27,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:31:27,920 INFO L85 PathProgramCache]: Analyzing trace with hash -886126315, now seen corresponding path program 1 times [2025-02-06 09:31:27,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:31:27,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024606736] [2025-02-06 09:31:27,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:31:27,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:31:27,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 09:31:27,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 09:31:27,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:31:27,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:31:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:31:27,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:31:27,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024606736] [2025-02-06 09:31:27,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024606736] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:31:27,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:31:27,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:31:27,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655407541] [2025-02-06 09:31:27,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:31:27,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:31:27,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:31:27,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:31:27,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:31:27,978 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2025-02-06 09:31:27,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 99 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:31:27,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:31:27,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2025-02-06 09:31:27,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:31:28,022 INFO L124 PetriNetUnfolderBase]: 26/217 cut-off events. [2025-02-06 09:31:28,024 INFO L125 PetriNetUnfolderBase]: For 11/13 co-relation queries the response was YES. [2025-02-06 09:31:28,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 217 events. 26/217 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 676 event pairs, 2 based on Foata normal form. 1/205 useless extension candidates. Maximal degree in co-relation 239. Up to 38 conditions per place. [2025-02-06 09:31:28,025 INFO L140 encePairwiseOnDemand]: 123/128 looper letters, 0 selfloop transitions, 0 changer transitions 101/101 dead transitions. [2025-02-06 09:31:28,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 101 transitions, 245 flow [2025-02-06 09:31:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:31:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:31:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2025-02-06 09:31:28,027 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8802083333333334 [2025-02-06 09:31:28,027 INFO L175 Difference]: Start difference. First operand has 101 places, 99 transitions, 204 flow. Second operand 3 states and 338 transitions. [2025-02-06 09:31:28,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 101 transitions, 245 flow [2025-02-06 09:31:28,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 101 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:31:28,028 INFO L231 Difference]: Finished difference. Result has 99 places, 0 transitions, 0 flow [2025-02-06 09:31:28,028 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=99, PETRI_TRANSITIONS=0} [2025-02-06 09:31:28,029 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -10 predicate places. [2025-02-06 09:31:28,029 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 0 transitions, 0 flow [2025-02-06 09:31:28,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:31:28,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2025-02-06 09:31:28,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2025-02-06 09:31:28,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2025-02-06 09:31:28,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2025-02-06 09:31:28,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2025-02-06 09:31:28,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2025-02-06 09:31:28,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2025-02-06 09:31:28,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2025-02-06 09:31:28,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 12 remaining) [2025-02-06 09:31:28,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2025-02-06 09:31:28,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2025-02-06 09:31:28,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2025-02-06 09:31:28,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:31:28,033 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-06 09:31:28,037 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:31:28,037 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:31:28,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:31:28 BasicIcfg [2025-02-06 09:31:28,042 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:31:28,042 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:31:28,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:31:28,043 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:31:28,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:31:27" (3/4) ... [2025-02-06 09:31:28,045 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:31:28,047 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:31:28,047 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 09:31:28,050 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-02-06 09:31:28,050 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 09:31:28,051 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:31:28,051 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:31:28,108 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:31:28,108 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:31:28,108 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:31:28,110 INFO L158 Benchmark]: Toolchain (without parser) took 1499.38ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 72.9MB in the end (delta: 34.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2025-02-06 09:31:28,110 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:28,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.78ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 95.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:31:28,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.28ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:28,112 INFO L158 Benchmark]: Boogie Preprocessor took 17.17ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 93.1MB in the end (delta: 824.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:31:28,112 INFO L158 Benchmark]: IcfgBuilder took 284.44ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 77.9MB in the end (delta: 15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:28,114 INFO L158 Benchmark]: TraceAbstraction took 919.20ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 78.5MB in the end (delta: -556.9kB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2025-02-06 09:31:28,114 INFO L158 Benchmark]: Witness Printer took 66.13ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 72.9MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:31:28,115 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.78ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 95.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.28ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.17ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 93.1MB in the end (delta: 824.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 284.44ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 77.9MB in the end (delta: 15.2MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 919.20ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 78.5MB in the end (delta: -556.9kB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 66.13ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 72.9MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 160 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 18 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:31:28,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE